3 Department of Dermatology, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
4 Melanoma and Skin Cancer Unit, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
5 Department of Dermatology, School of Medicine, Medical University of Silesia, Katowice, Poland.
6 Dermatology Unit, Department of Clinical Internal Anesthesiologic Cardiovascular Sciences, "Sapienza Medical School" University of Rome, Rome, Italy.
7 Department of Dermatology, Yale School of Medicine, Yale University, New Haven, Connecticut, USA.
8 Institute of Dermatology, Santa Maria della Misericordia University Hospital, Udine, Italy.